Anthropic just dropped Claude Mythos 5 and Fable 5 -- and the SWE-Bench Pro numbers are insane.
Fable 5 is live on the Claude API and every paid plan as of June 9, 2026. Mythos 5 is gated to Project Glasswing partners. Mythos 5 posts 80.3% on SWE-Bench Pro -- currently the frontier coding model.
More: https://gptaiclips.com
Spotify: https://open.spotify.com/show/033sVcOc9PNwH6eIX5SPSq
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